The most widespread and common of the UK Coleophora species, occurring wherever the appropriate rush species grow.
The larval cases are indistinguishable from those of C.glaucicolella and adults resemble several other Coleophora species.
Recorded in 25 (9.3%) of the 270 2km squares of Huntingdonshire.
Last recorded in June 2018
Recorded date range (Adult): 18 May to 02 August
Recorded date range (Larva/Leafmine): 30 May to 24 October